12278165

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 16246440

約数和(自身を除く): 3968275

約数列:

[1, 5, 17, 29, 85, 145, 289, 293, 493, 1445, 1465, 2465, 4981, 8381, 8497, 24905, 41905, 42485, 84677, 144449, 423385, 722245, 2455633, 12278165]

約数ペア:

[(1, 12278165), (5, 2455633), (17, 722245), (29, 423385), (85, 144449), (145, 84677), (289, 42485), (293, 41905), (493, 24905), (1445, 8497), (1465, 8381), (2465, 4981)]